Finding the Fourth Proportional to 7,437,850.30, 11,156,775.45 and 5,028,651.10
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Solution
The fourth proportional to 7,437,850.30, 11,156,775.45 and 5,028,651.10 is: 7,542,976.65
Step by Step Solution
- Step 1: Write the proportion equation
7,437,850.30 : 11,156,775.45 = 5,028,651.10 : x - Step 2: Convert to fraction form
7,437,850.30/11,156,775.45 = 5,028,651.10/x - Step 3: Cross multiply
7,437,850.30x = 11,156,775.45 × 5,028,651.10 - Step 4: Simplify right side
7,437,850.30x = 56,103,531,139,095.48 - Step 5: Solve for x
x = 56,103,531,139,095.48/7,437,850.30 - Step 6: Final answer
x = 7,542,976.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.